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Imported Upstream version 1.2.4

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didyouexpectthat 2018-01-12 18:20:00 -08:00
commit 4722a0b75a
398 changed files with 38633 additions and 24919 deletions
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90
node/OutboundMulticast.cpp
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@ -21,8 +21,9 @@
#include "OutboundMulticast.hpp"
#include "Switch.hpp"
#include "Network.hpp"
#include "CertificateOfMembership.hpp"
#include "Node.hpp"
#include "Peer.hpp"
#include "Topology.hpp"
namespace ZeroTier {
@ -30,7 +31,7 @@ void OutboundMulticast::init(
const RuntimeEnvironment *RR,
uint64_t timestamp,
uint64_t nwid,
const CertificateOfMembership *com,
bool disableCompression,
unsigned int limit,
unsigned int gatherLimit,
const MAC &src,
@ -39,16 +40,25 @@ void OutboundMulticast::init(
const void *payload,
unsigned int len)
{
uint8_t flags = 0;
_timestamp = timestamp;
_nwid = nwid;
if (src) {
_macSrc = src;
flags |= 0x04;
} else {
_macSrc.fromAddress(RR->identity.address(),nwid);
}
_macDest = dest.mac();
_limit = limit;
_frameLen = (len < ZT_MAX_MTU) ? len : ZT_MAX_MTU;
_etherType = etherType;
uint8_t flags = 0;
if (gatherLimit) flags |= 0x02;
if (src) flags |= 0x04;
/*
TRACE(">>MC %.16llx INIT %.16llx/%s limit %u gatherLimit %u from %s to %s length %u com==%d",
TRACE(">>MC %.16llx INIT %.16llx/%s limit %u gatherLimit %u from %s to %s length %u",
(unsigned long long)this,
nwid,
dest.toString().c_str(),
@ -56,58 +66,38 @@ void OutboundMulticast::init(
gatherLimit,
(src) ? src.toString().c_str() : MAC(RR->identity.address(),nwid).toString().c_str(),
dest.toString().c_str(),
len,
(com) ? 1 : 0);
len);
*/
_packetNoCom.setSource(RR->identity.address());
_packetNoCom.setVerb(Packet::VERB_MULTICAST_FRAME);
_packetNoCom.append((uint64_t)nwid);
_packetNoCom.append(flags);
if (gatherLimit) _packetNoCom.append((uint32_t)gatherLimit);
if (src) src.appendTo(_packetNoCom);
dest.mac().appendTo(_packetNoCom);
_packetNoCom.append((uint32_t)dest.adi());
_packetNoCom.append((uint16_t)etherType);
_packetNoCom.append(payload,len);
_packetNoCom.compress();
_packet.setSource(RR->identity.address());
_packet.setVerb(Packet::VERB_MULTICAST_FRAME);
_packet.append((uint64_t)nwid);
_packet.append(flags);
if (gatherLimit) _packet.append((uint32_t)gatherLimit);
if (src) src.appendTo(_packet);
dest.mac().appendTo(_packet);
_packet.append((uint32_t)dest.adi());
_packet.append((uint16_t)etherType);
_packet.append(payload,_frameLen);
if (!disableCompression)
_packet.compress();
if (com) {
_haveCom = true;
flags |= 0x01;
_packetWithCom.setSource(RR->identity.address());
_packetWithCom.setVerb(Packet::VERB_MULTICAST_FRAME);
_packetWithCom.append((uint64_t)nwid);
_packetWithCom.append(flags);
com->serialize(_packetWithCom);
if (gatherLimit) _packetWithCom.append((uint32_t)gatherLimit);
if (src) src.appendTo(_packetWithCom);
dest.mac().appendTo(_packetWithCom);
_packetWithCom.append((uint32_t)dest.adi());
_packetWithCom.append((uint16_t)etherType);
_packetWithCom.append(payload,len);
_packetWithCom.compress();
} else _haveCom = false;
memcpy(_frameData,payload,_frameLen);
}
void OutboundMulticast::sendOnly(const RuntimeEnvironment *RR,const Address &toAddr)
void OutboundMulticast::sendOnly(const RuntimeEnvironment *RR,void *tPtr,const Address &toAddr)
{
if (_haveCom) {
SharedPtr<Peer> peer(RR->topology->getPeer(toAddr));
if ( (!peer) || (peer->needsOurNetworkMembershipCertificate(_nwid,RR->node->now(),true)) ) {
//TRACE(">>MC %.16llx -> %s (with COM)",(unsigned long long)this,toAddr.toString().c_str());
_packetWithCom.newInitializationVector();
_packetWithCom.setDestination(toAddr);
RR->sw->send(_packetWithCom,true,_nwid);
return;
}
}
const SharedPtr<Network> nw(RR->node->network(_nwid));
const Address toAddr2(toAddr);
if ((nw)&&(nw->filterOutgoingPacket(tPtr,true,RR->identity.address(),toAddr2,_macSrc,_macDest,_frameData,_frameLen,_etherType,0))) {
//TRACE(">>MC %.16llx -> %s",(unsigned long long)this,toAddr.toString().c_str());
_packet.newInitializationVector();
_packet.setDestination(toAddr2);
RR->node->expectReplyTo(_packet.packetId());
//TRACE(">>MC %.16llx -> %s (without COM)",(unsigned long long)this,toAddr.toString().c_str());
_packetNoCom.newInitializationVector();
_packetNoCom.setDestination(toAddr);
RR->sw->send(_packetNoCom,true,_nwid);
Packet tmp(_packet); // make a copy of packet so as not to garble the original -- GitHub issue #461
RR->sw->send(tPtr,tmp,true);
}
}
} // namespace ZeroTier